loadMovie from Flashvars

What im trying to do is use Flashvars to load an url in to a loadMovie.

I have a blank movie in a html page and i want to use that same blank movie over and over again with out have to reopen the flash movie. but i need to movie to pull different .swf. and i that what i though that i would use the Flashvars for but i can get it to work…

any help?